Some changes

c/src/p2fa.c

@@ -7,6 +7,7 @@
 #include <stdio.h>
 #include <signal.h>
 
+#include "../libs/go_p2fa.h"
 #include "images.h"
 #include "../libs/e-Paper/EPD_2in13_V4.h"
 #include "../libs/GUI/GUI_Paint.h"
@@ -19,6 +20,31 @@ void Handler(int sigNum) {
 }
 
 int draw() {
+    if (DEV_Module_Init() != 0) {
+        return -1;
+    }
+    EPD_2in13_V4_Init();
+
+    Paint_Clear(WHITE);
+    const char *confName = "default";
+    Paint_DrawString(5, 5, getCode(GoString{confName, strlen(confName)}).p, &Font24, WHITE, BLACK);
+
+    DEV_Delay_ms(5000);
+
+    Debug("Clear...\r\n");
+    EPD_2in13_V4_Init();
+    EPD_2in13_V4_Clear();
+
+    Debug("Goto Sleep...\r\n");
+    EPD_2in13_V4_Sleep();
+    DEV_Delay_ms(2000);//important, at least 2s
+    // close 5V
+    Debug("close 5V, Module enters 0 power consumption ...\r\n");
+    DEV_Module_Exit();
+    return 0;
+}
+
+int drawOld() {
     Debug("EPD_2in13_V4_test Demo\r\n");
     if(DEV_Module_Init()!=0){
         return -1;